func encoding/base64.NewEncoder

3 uses

	encoding/base64 (current package)
		base64.go#L284: func NewEncoder(enc *Encoding, w io.Writer) io.WriteCloser {

	encoding/pem
		pem.go#L291: 	b64 := base64.NewEncoder(base64.StdEncoding, &breaker)

	mime
		encodedword.go#L83: 	w := base64.NewEncoder(base64.StdEncoding, buf)